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Indian J Ophthalmol. 2019 Sep;67(9):1500-1502. doi: 10.4103/ijo.IJO_167_19.

Coastline like peripheral chorioretinal degeneration as a suspected cause of nasal retinal dialysis.

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Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India.


Retinal dialysis is mostly associated with blunt trauma or at times spontaneous. A patient presented to us with fresh rhegmatogenous retinal detachment with no telltale history or signs of trauma. The causative break was retinal dialysis noted on the superonasal periphery. A characteristic peripheral chorioretinal degeneration simulating a coastline almost extending six clock hours was seen in both the eyes. We have discussed this rare presentation and the possibilities of the association between this newly identified lesion and spontaneous retinal dialysis in the following case report.


Peripheral chorio-retinal degeneration; retinal dialysis; rhegmatogenous retinal detachment

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